0x90/Marlin
12
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

OLD_SLOWDOWN does nothing, so remove it

Browse source
This commit is contained in:
Scott Lahteine 2016-11-02 01:28:19 -05:00
parent b0be2e41ff
commit 12167bc8f3
1 changed files with 11 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
Marlin/planner.cpp
View file

@ -929,24 +929,18 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
int moves_queued = movesplanned();
// Slow down when the buffer starts to empty, rather than wait at the corner for a buffer refill
#if ENABLED(OLD_SLOWDOWN) || ENABLED(SLOWDOWN)
bool mq = moves_queued > 1 && moves_queued < (BLOCK_BUFFER_SIZE) / 2;
#if ENABLED(OLD_SLOWDOWN)
if (mq) fr_mm_s *= 2.0 * moves_queued / (BLOCK_BUFFER_SIZE);
#endif
#if ENABLED(SLOWDOWN)
// segment time im micro seconds
unsigned long segment_time = lround(1000000.0/inverse_mm_s);
if (mq) {
if (segment_time < min_segment_time) {
// buffer is draining, add extra time. The amount of time added increases if the buffer is still emptied more.
inverse_mm_s = 1000000.0 / (segment_time + lround(2 * (min_segment_time - segment_time) / moves_queued));
#ifdef XY_FREQUENCY_LIMIT
segment_time = lround(1000000.0 / inverse_mm_s);
#endif
}
#if ENABLED(SLOWDOWN)
// Segment time im micro seconds
unsigned long segment_time = lround(1000000.0 / inverse_mm_s);
if (moves_queued > 1 && moves_queued < (BLOCK_BUFFER_SIZE) / 2) {
if (segment_time < min_segment_time) {
// buffer is draining, add extra time. The amount of time added increases if the buffer is still emptied more.
inverse_mm_s = 1000000.0 / (segment_time + lround(2 * (min_segment_time - segment_time) / moves_queued));
#ifdef XY_FREQUENCY_LIMIT
segment_time = lround(1000000.0 / inverse_mm_s);
#endif
}
#endif
}
#endif
block->nominal_speed = block->millimeters * inverse_mm_s; // (mm/sec) Always > 0